Keeping the Definitive Map up to date

How to apply to change the Definitive Map and Statement and check the status of DMMO applications.

The Definitive Map and Statement is the legal record of Public Rights of Way within West Sussex.

Under the Wildlife and Countryside Act 1981, anyone can apply to change the Definitive Map and Statement.

We call these applications Definitive Map Modification Orders (DMMOs).

For example, you might apply:

  • if you believe a path exists but is not shown on the map
  • to change the status of existing Public Rights of Way, such as changing a footpath to a bridleway

You must provide evidence to support your DMMO application. This may include evidence that the public uses the route, or historic map evidence.

Making an application

Contact Legal Services using the details below to get the application forms and maps you need.

Once you have completed the forms, send them to us with:

  • a map or plan showing the claimed route
  • copies of the evidence supporting your application

Evidence may include statements, copies or transcripts of documents, or archive references where it is not possible to reproduce the original.

You must serve notice of the application on every owner and occupier of the affected land. You must also confirm to us that you have done this.

If you cannot find landowner details through local enquiries, you may be able to get them from the Land Registry.

We may ask you to post notices at each end of the claimed path if you cannot identify or contact the landowners.

We must follow a lengthy legal and administrative process when we investigate, decide and make a DMMO.

Because of this, we may not be able to investigate your application immediately. Your case officer will update you on its progress.

For more information on making an application refer to Natural England's publication, A Guide to Definitive Maps and Changes to Public Rights of Way - 2008 Revision.

An assigned case officer will investigate each application. They will then either approve the report under West Sussex County Council’s Scheme of Delegation or refer it to the Planning and Rights of Way Committee for a decision.

You can view Definitive Map Modification Order (DMMO) applications by downloading the registers below or using the online register. You can search the register by postcode, town or keyword.

If you need more information about the registers, contact Legal Services.

Landowners can make a deposit under Section 31(6) of the Highways Act (1980) to protect their land from DMMO applications.

Statement of priorities for processing Definitive Map Modification Orders

Proposed 2026 cut-off date

Viewing the Definitive Map and Statement

The Definitive Map and Statement are held at County Hall, Chichester and can be viewed free of charge by prior appointment to ensure a member of staff is available.

Scanned copies of map and statement extracts are also available to purchase for an administrative fee. The current fee is £17 per map extract (including the relevant statement extract) effective from April 2026. 

To make an appointment or purchase scanned copies, contact us using the details below.

 
Last updated:
16 September 2026
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